Sanyo CP28WF2 Service Manual page 33

1
KAA
KR
J11EH120N
1 X
KR-1
J30B0250N:
J30B1380N
SPEAKER R
KR-2
SP901 2 J30B0250N:
J30B1380N
A10B14700:
A10B03500 3
SPEAKER L
1
KL
SP902
J10EA030N:
A10B14700: J10KR030N
A10B03500
L-OUT
K1921
J12B04901:
J12B05400
C1927
L1923 R1921
1/2DJ
16PM
L2C1120JN 150
10P
L1922
L2C1120JN
R-OUT C1922 R1922 C1926
KK0.01 1/2
16PM
GQ DJ150
10P
C1923 C1924 C1925
KK0.01 KK0.01
GQ KK0.01 GQ
GQ
L1921
Z21B0040N:
Z21B0710B
K1101
J12B1520N
R1116 C1117
V
X X
L1106
L2B9100KN
R1106
L C1106 C1928
1/16GJ
KK1000GQ
X 2.2KC
L1101
C1920
L2B9100KN
X
R1101 C1929
C1101
R KK1000
1/16GJ
X GQ
2.2KC
C1112
X
D1103
1SS133
D1102
1SS133
C1102
KK1000GQ
TV/AV
SW1956
R1958
1/16GJ
2.2KC
MENU
SW1955
R1957
1/16GJ
2.7KC
-
SW1954
VOL R1956 R1953
1/16GJ 1.8K
4.7KC
+
SW1953
R1955
1/16GJ
8.2KC
-
SW1952
CH R1954
1/16GJ
15KC
+
SW1951
5VCPU
SW1951...SW1956
S10B0450J:
S10B2790J: L1901 +9V
R1952
S10B3670J J
1/16GJ
RC
47KC R693
AMP X
D1951
Q692
SLP-181B51
AH R694
JS693
J 8.2K
A1901 R1950
1/16GJ
U20B40500 Q1951 D691
390C
AH 1SS133
R1951
C1901
16EM 1/16GJ
100CD 2.2KC
RL691H3 RL691H4
2400030 2400030
AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3
RL691
S20B0460N:
S20B0480N
AT3
RL691H1 2400030 2400030 RL691H2
JS691
AT3 X
KU
X
AT3
KU-1 KU-2
R602
X X
10WK3.9V:
AT3
10WK3.9LBZCL
R602-1 R602-2
X X
R602-3
2400010 R602-4
AT3 2400010
R602A X
PS691H2
X
K19E JS694
PS691
AT3 X J
DHXAAEV0065
2400030 2400030
K19E-1 PS691H3 PS691H1
J30B0250N:
AT3 J30B1380N
JS695
X
L901 K19E-2
J30B0250N:
AT3 J30B1380N
L81B33300
AT3
AT3
SW691
L694C X
S10B6230N C691 L694B X
L694A X
AT3 SW691H2 2400010 250GM0.1XBJ:
275GM0.1VB L691C
2400010
K19F SW691H1 F35B1280N JS603
K19F-3 L693 L691B X J
X R691
AT3 3 J30B1380N J30B0250N: L691A X JS601
1/2DJ Z20103---:
J
220K B4Z21B0090N
L691CH4 L694CH1 X
K19F-2 L691CH1 2400030 L694BH1 X L694CH4 X
2400030
J30B0250N: L691BH1 X L691BH4 X L694AH1 L694BH4 X
AT3 J30B1380N L691AH1 L691AH4 X X L694AH4
X X
F691-1
1 C692
W901 K19F-1 F691-2
J30B0250N:
J30B1380N J20B00100: J20B00100: 250GM0.1XBJ:
W10B16200
AT3 J3EZ0333-: J3EZ0333-: 275GM0.1VB
J20B0170J J20B0170J L691AH2 L691AH3 L694AH3
X X
X L691BH2 L694AH2
X
F691 X X
L691CH2 L691BH3 X L694BH2 L694BH3 X
AT3 4A250VT: L692 2400030 L694CH2 X X
VA691 L691CH3 L694CH3
4A250VTS: Z20103---: 2400030 JS602
J JS604 J
4A250VTW ERZV14D471 B4Z21B0090N
AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3
KK
J30B0250N:
J30B1380N
THE SERVICE PRECAUTION:
COLOUR TELEVISION
The area enclosed by this line(
When servicing the area, connect an isolating transformer between TV receiver and AC
line to eliminate hazard of electric shock.
F F A A W W - - 1 1
F F A A W W - - 1 1
CHASSIS
SERIES
PRODUCT SAFETY NOTICE:
Product safety should be considered when a component replacement is made in any
SERVICE
CP28WF2-00
area of a receiver.
REF. NO.
Components indicated by a mark
values have special significance to product safety. It is particularly recommended that
only parts specified on the part service manual be used for components replacement
pointed out by the mark.
F8WA
TO SUB K30AA
TO SUB K30BB
1
12 12
KBB
J11EH120N
5V-0
PRO
TECT
27V
IC001
TDA7263M
P_ + -
11 10 9 8
C021
35EM C012
1000CD 25EM F001
2200CD J
C009
R014
25KZ
DJ680
0.1GQF
C013
25KZ
0.1GQF
C011
R010
25EM
4.7
2200CD
C008
25KZ
0.1GQF
JW18 JW20
C007
R016
25KZ
DJ680 0.1GQF X X
R009
4.7
C645
EM1CD
D615
2 1
PC123X5YFZ:
PC123Y52:
TLP421F-BL
T611
L51B4850N
3 4
T611-2 T611-17
2 17
2400030
C607 C608
400EM X
270VCT C607-2 C608-2
T611-3
2400010 X 3 16
2400030
C608-1
R627 15
C607-1 C608-1 R625-2
2400010 X 2400030 2SJ22 T611-5
5
R627-2
R620 2400030
R625
1/2DJ
2SJ22
120K
R627-1
R625-1 2400030 18
C603 2400030
R621 C616 C616A
1000KK1000 1/2DJ 2000KK X
C616B
(CBB:HB) 120K 2200 X
(NH 6
R611 R622 D614 :CTB)
1/16GJ DJ15K 14
1SS133
5.6KC C612 C613
C614
D603 D605 C605
X X HJ0.1G
X 7
Q613
Q613A
2SC4429LYB:
1AA2HEA 13 T611-13
Q611 2SC4429MYB
0234M- 2400030
AJ L612
R619
JS611 B4Z21B0160N:
1/2DJ R628 T611-12
L3004: 12
D618 47 X R628-1 2SJ56 Q613-C
Z21B0330N 2400010 2400030
2400030
C606
D604 D606 R628-2
Q613-B 2400010
X D619 D617 R624 2400030 T611-11
11
R624-1 2SJ47 2400010
ES1(:Z) 2400030 R624-2 Q613-E 2400030
D616 L611 2400030
MTZJ :ERA18-04
11B
L2E9220KN: Q612 T611-8
L2E7220KN: 2SC3807 8 10
R626
C604 R623 L2J4220KN RYA
D603/.../D606 1/16GJ DG2.2K
1000KK1000 R631 R632
1.5KC
(CBB:HB)
ERC05-10B ERC05-10B ERC05-10B ERC05-10B
:RM11C :RM11C :RM11C :RM11C R617 R615
D616/D618 1/16GJ
1/16GJ
22KC C631
1.2KC
1SS133 1SS133
C615
C617 250KK2200XH:
250KM2200XN
FJ0.015 FK0.033
(BE:D) (BE:D)
C636
X
AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3 AT3
CIRCUIT DIAGRAM NOTICE:
1. All resistance value are in ohms, K=1,000, M=1,000,000.
) is directly connected with AC mains voltage.
2. All resistance rated wattages are 1/6W unless otherwise noted.
3. Excepting electrolytic capacitors, all capacitance values of less than 1 are expressed in µ F and more than 1 are pF.
4. All capacitance rated voltages are 50V unless otherwise noted.
5. All inductance values are in µ H.
6. Voltage readings take with a "VTVM" are from point indicated chassis ground. Voltage readings taken by using PAL
colour bar signal are with all controls at normal position. Some voltage may vary with signal strength.
7. Waveform were taken with PAL colour bar and controls adjusted for normal picture. Waveforms were taken by using a
wide band oscillo-scope and a low capacity probe.
in this circuit diagram show components whose
8. This circuit diagram covers a basic or representative chassis only. There may be some components or partial circuit
differences between the actual chassis and the circuit diagram.
9. Parts specified with "X" are not installed in this model.
10. Parts specified with "J" are just jumper wires.
TO SUB K30CC
1
KCC
J11EH120N
IC001A
AUDIO AMP.
1AA2HEA0241A-
R SP AMP
+
R_
-
7 6 5 4 3 2 1
C005
C006
25EM 25EM
33CD 33CD
R006
C002
1.5K
KK0.012
GQ
C001
R008
16KK0.47
1.5K
(BA:GMB)
R005
47
C003
R007 R002
16KK0.47 47 1/16GJ
R001
(BA:GMB) 2.2KC
1/16GJ
12KC R018
C004
1/16GJ
KK0.012 10KC
GQ R013
1/16GJ
R022
2.7KC R021
R004
X
C015 47K
1/16GJ
2.2KC
25EM47CD
R003 Q001
1/16GJ AH
12KC
+9V
D041
1SS133
C010
16EM
100CD
R048
Q043
AJ 1/16GJ
10KC
R024
R023 2.2K
1/16GJ
560C
Q044
AH
D449 D463
EM01Z 1SS133
:ERA15-02
5VCPU
Q666 R660 R681
Q682
R666 10K 1/16GJ
2SC3807RYA AH
1/2DJ22 10KC
33V
R667 Q666A R659 C682
560 X 1/16GJ
16EM
10KC
47CD
R103
C647 Q645
1SJ33K
KK680GQ AH
C639
C666 D666
X
16EM47CD MTZJ5.6B Q661
L635 2SB764E:
ZZ0122 2SA1020Y
D644 R661
D635 C640
1SS355 1/16GJ
25EM
RU4YXLF-L1 10KC
2200CD
C635
JS637 R663
X
X
L641 1/2DJ
D633 390
J
ERC91-02L
R637
2400010 2400010 27V
5WK2.2I:
C646 C637 R637-1 R637-2 R653
5WK2.2VC
X 35EM Q651 1/16GJ
L632 2200CD D643 2SB985(S:T): 22KC
R636 D637
J 2SA1707(S:T)
10K 1SS355 1SS133
D630 C633
R651
EU2(:Z): R647
D642 25EM
L642 ERB44-02 R646 1/2DJ DJ10K R654
470CD
J RU4AMLF-L1 DJ150K 68K 1/16GJ
R652 6.8KC
150V
DJ3.9K
R642
NF150K Q641
C641 AH D683
1000KK1500 2400010 C642A-2 1SS355
C642
(NH:CTB)
200EM
220XD VR641
R689
C642A-1 C642A
2400010 X R3D7222NJ: 1/16
D645
R641 R3L1202NJ GJ22KC
MTZJ
1/16GJ
D648 6.2B
6.2KC Q685 R686
RU3YX
AH 1/16GJ
Q642 R645 R688
220KC
DJ22K
2SC4487(S:T): 1/16GJ
L643 R649 2SD1347(S:T) Q686 10KC
J AJ
10K D685
MTZJ
R631/632
C686 R650 R655 6.2B C685 R687
1/2CK5.6 1/2CK5.6 25EM 100K DJ2.2K EM1CD
1/16GJ
MXG MXG 470CD
560KC
Q643
AJ
R657
C687
1SJ5.6
R656 25EM
1000T
100K
R658
10K
12
R515
1FJ5.6
C501 R542
1/16GJ
25EM
10KC
10 1000T
+5V
R514
C527
1/16GJ
X
9 6.8KC
C502
35EM220CD
8
IC501
R513
R518 C528
VCC 7 1/16GZ
LA7846N 1/16GJ
D501 0C 25KZ
47KC
EM01Z: 0.1GQF
VERT. DEF. ERA15-02
6
C503
R534
KK0.01 1/6NF
GQ 5.6K
IN
5
R511
X
R503
4
C505 1/16GJ
C504
500CD 56KC
16KK0.33
8GAA
(BA:GMB) R516
IC501A 3
6.8K
1AA2HEA0234S-
OUT 2
L501
R502
J 1/2FJ1.5
GND
1
C506
HJ0.47
C506A
X
R512
2SJ120
JWV
C511 R510
100FK0.1 1SJ0.56
(AD:BE)
JS115
J
JS114
J
R461
X
L441 L442-1 X L442-2 X C426
R477
L71B0650N L442
X X
R441 X
1SJ1K
C446-2
C446A-2 2400030 C442A C429 Q425
2400030
C446
C446A X X X
X 250MJ C442 Q424
D441 R459
0.15 C441A-1 400MJ0.12 X
(AT:AV:PA) C443A-1 X
PC817(C:D): C446-1 2400030 2400030 (CQ:MA)
2400030
TLP521-1 R443 C441-2
2400030 L443
R445 1/2DJ C441
100 C443-2 LM0016D:
100K 2400030 400MJ R467 R460
1 4 L26B0180N D422
0.18 X
X X
R444 C443A (CQ:MA) L443A
X
X
10K
C443-1 C441-1 R476 D423
2 3 2400030 2400030 R442
C441A X
X
Q451 C443 2SJ120
X
400MJ0.15
2SK2638F82
(CQ:MA)
R436
C423 C421
DJ10K
L431 1AA2HEA0234-- 1500MH 1500MH
D431 L2G31R0MN: Q432A 8200 7800
L26B2790N: (AN:XK) (AN:XK)
MTZJ9.1B Q432-C
L26B4400N: C421-2
C436 2400010 C423-2 2400030
L2PC1R0KN D438
2400030
500CJ ERD07
2400010
47GAA T431 R440 Q432-B -15L
R433 L18B X C421-1
2400030
1/2DJ 0600N Q432-E C423-1 L462-1
Q432 2400010 2400030 2400010
R432 1K
2SD2645YB L462
R437 1/16 D439 C424
C432 AA0017:
GJ1KC ERB44 X 630NJ
L26B0790N
330 500KK -04 0.012EAQ X
1000A
L432 C422 L462-2 C466
L462A 2400010
630NJ
C434 J X 100GJ
R434 Q431 0.022EAQ
35EM 2.2P
R449 R466
1/16GJ 2SC 47CD C438 C435
C431 1/2DJ47 1/2DJ
5.6KC 3332 C433 C465
16KK0.47 (R:S) KK1000GQ X 2.7B
500KK
(BA:GMB) 100GJ2.2P
3900A X
JW17
R462
J
L461A
D464 X
L461
L26B0170N
X
:L26B0260N
R470
R473 :LM0045
D461 82K
680 :LM0045D
R487
Q461A 1SS133
C462
J 1AA2HEA0234F- R474
X C463
Q461Z
100FK 1/2DJ
D465 X
R472 6800 820
1SS133 J (BE:D)
R486
D469
1/2DJ C470 Q462
EU1:
47K 2SC3114 R471 R469
FK ERA22-04
R488 Q461 (R:S:T) 1.5K 12K
C486 0.022
C483 2SB1274
R483 160EM 1/16GJ BE
(Q:R:S):
X X 0.47CY 560KC R468
R465 2SB1565
D460
(E:F) 1.2K
X
X
C467
R463 C468
16KZ1FA D466
330 25EM
MTZJ20B
22CD
IC642
BA178M09T
:MC78M09CT
:UPC78M09AHF
PRO
TECT
1 2 3
D641
1SS355
R643
J
+9V
C649
16EM
100CD
IC641
BA178M05T
:MC78M05CT
:UPC78M05AHF
:L78M05CV
D646
1SS355
1 2 3
+5V
R644
C648
2SJ18
6.3EM
100CD
IC643
BA178M05T
:MC78M05CT
:UPC78M05AHF
:L78M05CV
D647
1SS355
1 2 3
5V-0
R648
C651
2SJ22
6.3EM
1000CD
C650
6.3EM100CD
11. Expression of capacitance and resistance in circuit diagrme.
Capacitance (Example) TRANSISTOR, DIODE AND INTEGRATED CIRCUIT TERMINAL GUIDE
1000 C M 2000 D J= ± 5%
C: COLLECTOR
K= ±10%
Characteristic
B: BASE
M= ±20%
Capacitance value (220pF)
E: EMITTER
Allowable error (±20%)
T, A, U, D:
Kind (Ceramic)
Electrolytic
Rated voltage (1,000V)
C, K, B: Ceramic
F: Mylar film
M, N: Polypropylene
Resistance (Example)
Z: Metalized paper
1/2 N J 1.2
Resistance value (1.2Ω)
D: Carbon
Allowable error (±5%)
N: Metalized carbon C E
B
Kind (M.carbon)
S: Oxied metalized
Rated wattage (1/2W) W: Wire wounding
C: Solid
ASSY,PWB,MAIN F8WA
1AA0B10E68600
+5V
R523
J
R546
X Q532
X
R537
1/16GJ R547
10KC X
D503
MTZJ D504
6.8B 1SS355
PRO
TECT
D502
1SS355
R517 C529
1/16GJ 16EM
27KC 10CD
KDY
J10B0730N
KDY-H6
2400010
KDY-H3
2400010
KDY-H1
2400010
R451 A200
2SJ5.6
3 DY
3
2 L70B18700
T451 2
1
L40B14700
1
C427
R452
X T451A KQ
X X
T451-6 6 6 J10EA030N:
2400010
HV J10KR030N
T451-5 5 5
2400010
C428
X
T451-3 3 3
2400010
R475
X
T451-4 2400010 4 4 KSC
T451-1 1 1 X
2400030
T451A-11 T451-11A
X X
11 11 T451-11
X
T451-10 10 10 7 7 T451A11A X
2400010 2400010 T451-7
T451-2 2400030 2 2 T451-11B
X
C437A
X
C437
R435-2
2400010 250GJ
R435 0.47:
7WK1.8 250GJ
R450 R453
(I:VC) 0.47PA
15K 1K
R435-1 2400010
150V
R455 R454 C450
TP-B C451
R480 DJ39K DJ56K 100PM 100PM
J30B0250N:
2.2X 2.2X
1/2DJ J30B1380N
2.2B
R448
DJ330
R481
D481 D445 D442
DJ
1SS355
EU1: 270K 1SS355
ERA22-04 PRO
TECT
C482 R482 D482 D446 C445
R447
250GK 8.2K 1SS133
1/16GJ MTZJ8.2B EM10CD
0.1P
4.7KC
R458
D448
Q447 X X
X
C447 R456 R457
X
X X
LIST OF REPLACEABLE DIODES.
R (7DD00019) 1S2076A, 1S2473, 1N4148
AA (7DD00192) 1S2076A, 1S2473, 1N4148, 1SS133
LIST OF REPLACEABLE TRANSISTORS.
2SC1740S 2SC945A 2SC1815 2SC536N
AD (7T200183) Q,R,S Q,P Y,GR F,G
AE (7QT00202) Q,R,S R,Q,P O,Y,GR F,G
2SA933S 2SA564A 2SA1015 2SA608N
AB (7T200181) R R Y,GR F
AC (7T200182) Q,R Q,R O,Y,GR F
CHIP
2SA1037AK 2SA1037K 2SA1179
AJ (7T200221) R,S R,S M6,M7
2SC2412K 2SC2812
AH (7T200220) R,S L6,L7
IMPORTANT:
SCHEMATIC PART LOCATION NUMBERS MAY NOT ALWAYS MATCH THE SCHEMATIC SYMBOLS.
THE SCHEMATIC SYMBOLS AND PART DESCRIPTIONS ARE CORRECT AND SHOULD BE USED.
THE PART DESCRIPTIONS WILL BE LISTED UNDER THE LOCATION NUMBER IN THE PARTS LIST.
PARTICULAR
A: ANODE CHIP
PARTS SYMBOL
COMPONENTS
K: KATHODE
TRANSISTOR
N/2 FUSIBLE
E C
N/2 + 1 RESISTOR
B
K 1
A
N B E NON POLE
C
B
C DIODE ELECTRIC
C A
E
K
CAPACITOR
B
K
E
A
A POSISTER
1
RESISTOR
K
C E
B 12 X 10 3 =12K
1 123